Question:
Ocean acidification is caused by which of the following?
Ocean acidification is caused by which of the following?
Show Hint
Ocean acidification:
\[
\boxed{
\mathrm{CO_2}
+
\mathrm{H_2O}
\rightarrow
\mathrm{H_2CO_3}
}
\]
Carbonic acid lowers the pH of seawater.
Updated On: Jul 18, 2026
- SO$_2$
- CO$_2$
- NO$_x$
- O$_3$
Show Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Atmospheric carbon dioxide dissolves in seawater to form carbonic acid.
\[
\mathrm{CO_2 + H_2O \rightarrow H_2CO_3}
\]
This lowers the pH of seawater, causing ocean acidification.
Hence,
\[
\boxed{\mathrm{CO_2}}
\]
is the correct answer.
Therefore,
\[
\boxed{(B)}
\]
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